Home / 3,438,007.70-5,151,106.65-1,637,013.20

Finding the Fourth Proportional to 3,438,007.70, 5,151,106.65 and 1,637,013.20

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Solution

The fourth proportional to 3,438,007.70, 5,151,106.65 and 1,637,013.20 is: 2,452,708.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,007.70 : 5,151,106.65 = 1,637,013.20 : x
  2. Step 2: Convert to fraction form
    3,438,007.70/5,151,106.65 = 1,637,013.20/x
  3. Step 3: Cross multiply
    3,438,007.70x = 5,151,106.65 × 1,637,013.20
  4. Step 4: Simplify right side
    3,438,007.70x = 8,432,429,580,657.78
  5. Step 5: Solve for x
    x = 8,432,429,580,657.78/3,438,007.70
  6. Step 6: Final answer
    x = 2,452,708.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.